Wobbe control and enhanced operability through in-line fuel...

Details Wobbe control and enhanced operability through in-line fuel... Wobbe control and enhanced operability through in-line fuel...

2011-07-19

2011-07-19

Cuff, Michael (Department: 3741)

Power plants

Combustion products used as motive fluid

Process

Reexamination Certificate

active

07980082

ABSTRACT:
A method of regulating the Wobbe number of a multi-composition gas fuel supplied to one or more combustors of a gas turbine comprising: (a) providing a control system for regulating fuel and air flow to the one or more combustors; and (b) reforming a fraction of the gas fuel upstream of the one or more combustors to form hydrogen and carbon monoxide to be supplied to the one or more combustors with a remaining fraction of the fuel; wherein the fraction of fuel reformed is adjusted to maintain the Wobbe number of the fuel supplied to the one or more combustors within a predetermined range.

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Pickenacker et al., D. Trimis, “Excess Air Controlled Operation of Boilers and Furnaces by Means of Wobbe Number Measurement,”5thEuropean Conference on Industrial Furnaces and Boilers(INFUB5):Session Burners, Combustion and Basic Heat Transfer, vol. I, Espinho-Porto/Portugal, Apr. 11-14, 2000.

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